Tungsten(VI) oxytetrabromide

Tungsten(VI) oxytetrabromide
Identifiers
CAS Number	13520-77-9 [chemIDplus];
3D model (JSmol)	Interactive image;
ChemSpider	64878725;
PubChem CID	139485;
CompTox Dashboard (EPA)	DTXSID701306353 ;
	InChI InChI=1S/4BrH.O.W/h41H;;/q;;;;;+4/p-4 Key: KKUANYDOAOHBGB-UHFFFAOYSA-J; InChI=1S/4BrH.O.W/h41H;;/q;;;;;+4/p-4;
	SMILES O=[W](Br)(Br)(Br)Br;
Properties
Chemical formula	WOBr4
Molar mass	519.46 g/mol
Appearance	red crystals
Density	5.5 g/cm3
Melting point	277 °C (531 °F; 550 K)
Boiling point	327 °C (621 °F; 600 K)
Solubility in water	reacts
Structure
Crystal structure	tetragonal
Related compounds
Other anions	Tungsten(VI) oxytetrafluoride; Tungsten(VI) oxytetrachloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tungsten(VI) oxytetrabromide is the inorganic compound with the formula W O Br₄. This a red-brown, hygroscopic solid sublimes at elevated temperatures. It forms adducts with Lewis bases. The solid consists of weakly associated square pyramidal monomers.^[2] The related tungsten(VI) oxytetrachloride has been more heavily studied. The compound is usually classified as an oxyhalide.

References

^ Chambers, Michael. "ChemIDplus - 0013520779 - KKUANYDOAOHBGB-UHFFFAOYSA-J - Tungsten tetrabromide monoxide - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.nlm.nih.gov.
^ Hess, H.; Hartung, H. (1966). "Die Kristallstruktur von Wolframoxidchlorid WOCl₄ und Wolframoxidbromid WOBr₄". Z. Anorg. Allg. Chem. 34 (3–4): 157–166. doi:10.1002/zaac.19663440306.

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[1] Chambers, Michael. "ChemIDplus - 0013520779 - KKUANYDOAOHBGB-UHFFFAOYSA-J - Tungsten tetrabromide monoxide - Similar structures search, synonyms, formulas, resource links, and other chemical information". chem.nlm.nih.gov.

[2] Hess, H.; Hartung, H. (1966). "Die Kristallstruktur von Wolframoxidchlorid WOCl₄ und Wolframoxidbromid WOBr₄". Z. Anorg. Allg. Chem. 34 (3–4): 157–166. doi:10.1002/zaac.19663440306.

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